634231142 has 8 divisors (see below), whose sum is σ = 958838016. Its totient is φ = 314618472.

The previous prime is 634231133. The next prime is 634231163. The reversal of 634231142 is 241132436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1248233 + ... + 1248740.

It is an arithmetic number, because the mean of its divisors is an integer number (119854752).

Almost surely, 2^634231142 is an apocalyptic number.

634231142 is a deficient number, since it is larger than the sum of its proper divisors (324606874).

634231142 is a wasteful number, since it uses less digits than its factorization.

634231142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497102.

The product of its digits is 3456, while the sum is 26.

The square root of 634231142 is about 25183.9461165243. The cubic root of 634231142 is about 859.1767595221.

Adding to 634231142 its reverse (241132436), we get a palindrome (875363578).

The spelling of 634231142 in words is "six hundred thirty-four million, two hundred thirty-one thousand, one hundred forty-two".